The interlayers that characterized as harden in middle and incompact in top and below widely occurred in the cement-stabilized-gravel when contrustruing the base course of pavement in permafrost area.
多年冻土地区路面水泥稳定砂砾基层应用中，普遍存在基层上下松散、中部板结的“夹层”现象。
This article researches on the calculation method of thermal stress of cement concrete pavement on lean concrete base course.
本文围绕贫混凝土透水基层水泥混凝土路面温度应力计算方法展开研究。
Surface course thickness and base modulus of asphalt concrete pavements are important parameters in pavement structure design.
沥青混凝土路面面层厚度和基层模量是路面结构设计中的重要参数。
The cement fly ash is a base course material for pavement that has the advantage of both cement and fly ash stabilized granular.
水泥粉煤灰路面基层是一种兼有水泥和二灰稳定粒料优点的路面基层材料。
Pavement structure layer inside base course is usage quantity of main supporting course, its usage direct influence the function pavement.
路面结构层中基层是主要承重层，它的使用性能直接影响路面的使用质量。
Because of the moisture evaporation and the varied temperature, the pavement and its semi-rigid base layer are easy to crack in the course of construction and use.
路面及半刚性基层在修建和使用过程中，由于水份蒸发以及温度的变化，容易产生裂纹。
There are various kinds of base course materials of asphalt pavement with a wide range of modulus. Base course modulus has important influence on pavement structural mechanics.
沥青路面的基层材料种类繁多，模量变化范围很大，而基层模量对路面结构力学有重要的影响。
Semi rigid base course is widely used in Chinese super highway for its good character, the performance and life of pavement is influenced by semi rigid base course.
半刚性基层材料由于具有优良的路用性能而常作为沥青路面和水泥混凝土路面的基层，其质量好坏会直接影响道路路面的质量和寿命。
The design of the mixture ratio of the cement stabilized sand and gravel is one of the critical links to ensure the whole quality of the asphalt pavement on semirigid base course.
水泥稳定砂砾混合料的配合比是保证半刚性基层沥青路面整体质量的关键环节。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
减少水泥稳定碎石基层材料的干缩裂缝，对延长半刚性基层沥青路面的使用寿命至关重要。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
减少水泥稳定碎石基层材料的干缩裂缝，对延长半刚性基层沥青路面的使用寿命至关重要。
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